package com.qingke.easyjava.jdbc.dao;

import com.qingke.easyjava.jdbc.pojo.Player;

public interface PlayerDao {

	public void signup(String username, String password, String nickname);
	
	public Player login(String username,String password);
	
	public Player getPlayerById(long playerId);
	
	public String isUsernameExists(String username);
}
